Route Price Intelligence
Cheap Flights From Philadelphia to Washington Dc - Dulles
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$249
Great Deal
Under $249
Typical Range
$249 – $249
Lowest We've Seen
$179
Based on 234 price pointshigh confidence
Monthly Price Guide
Jan
$249
Feb
$249
Mar
$249
Apr
$249
May
—
Jun
—
Jul
$355
Aug
$249
Sep
$249
Oct
$249
Nov
$249
Dec
$249
Cheapest Average Expensive
Best Time to Fly from Philadelphia to Washington Dc - Dulles
The cheapest time to fly from Philadelphia to Washington Dc - Dulles is typically October, when fares average around $249. The most expensive month tends to be July at around $355. For the best deals, consider flying in October, November, December.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route
Cheapest month: September19,515 fares analyzedTypical low: $199